package com.example.demo1.mapper;

import com.example.demo1.pojo.Category;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CategoryMapper {
    @Insert("insert into category(category_name,category_alias,create_user,create_time,update_time)" +
            "values(#{categoryName},#{categoryAlias},#{createUser},#{createTime},#{updateTime})")
    void add(Category category);

    //查询所有列表
    @Select("select * from category where create_user = #{userId}")
    List<Category> list(Integer userId);

    //id查分类信息
    @Select("select * from category where id = #{id}")
    Category findById(Integer id);

    //更新分类
    @Update("update category set category_name = #{categoryName}, category_alias = #{categoryAlias}," +
            "update_time = #{updateTime} where id = #{id}")
    void update(Category category);

    //删除分类
    @Delete("delete from category where id = #{id}")
    void deleteById(Integer id);
}
